3. If you find 0x8004a029in theCBS.log, it is because you have more than 13 filter drivers installed.

Option 1Windows 7 is hard coded to allow 14 filter drivers, but the following registry sets the limit to 8 by default. You can adjust the amount up to 14 or delete this key and it will be set to max of 14.HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\Network\MaxNumFilters